Well as they say, a picture is worth a thousand words:

[![enter image description here][1]][1]

To use Android terminology, the black bar's width is set to `match_parent` rather than `wrap_content`....

**Note:** This happens with both Chrome and Firefox. It was fine this morning...

**Note 2:** Zanna has confirmed she is experiencing this as well


  [1]: https://i.sstatic.net/wJKNh.png